12655841 has 4 divisors (see below), whose sum is σ = 13806384. Its totient is φ = 11505300.

The previous prime is 12655829. The next prime is 12655849. The reversal of 12655841 is 14855621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14855621 = 11 ⋅1350511.

It is a cyclic number.

It is not a de Polignac number, because 12655841 - 2⁶ = 12655777 is a prime.

It is a super-2 number, since 2×12655841² = 320340622834562, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12655798 and 12655807.

It is not an unprimeable number, because it can be changed into a prime (12655849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 575255 + ... + 575276.

It is an arithmetic number, because the mean of its divisors is an integer number (3451596).

Almost surely, 2^12655841 is an apocalyptic number.

12655841 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12655841 is a deficient number, since it is larger than the sum of its proper divisors (1150543).

12655841 is a wasteful number, since it uses less digits than its factorization.

12655841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150542.

The product of its digits is 9600, while the sum is 32.

The square root of 12655841 is about 3557.5048840444. The cubic root of 12655841 is about 233.0399275825.

The spelling of 12655841 in words is "twelve million, six hundred fifty-five thousand, eight hundred forty-one".